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EARNINGS PER SHARE (Details) - Schedule of Earnings Per Share, Basic and Diluted - shares
 3 Months Ended
Jul. 31, 2020
Jul. 31, 2019
Weighted average shares outstanding:    
Basic EPS Shares outstanding (weighted average) 9,139,130 9,001,324
Effect of Dilutive Securities [1]
Basic and Diluted EPS Shares outstanding 9,139,130 9,001,324
[1] For the three-month periods ended July 31, 2020 and 2019 dilutive securities are excluded from the calculation of earnings per share since the inclusion of such shares would be antidilutive due to the net loss for both periods. Basic and diluted shares outstanding for the three months ended July 31, 2020 and 2019 are 9,139,130 and 9,001,324, respectively. Additionally, there are anti-dilutive exercisable shares excluded in the above table for the three months ended July 31, 2020 and 2019 of 676,000 and 1,201,125, respectively.